runtime: add note for the availability of the used_memory implementation (#24913)

lcheylus · web-flow · commit 7b3e7cb44734 · 2025-07-16T16:53:06.000+03:00
diff --git a/vlib/runtime/used_memory_default.c.v b/vlib/runtime/used_memory_default.c.v
@@ -1,6 +1,8 @@
 module runtime
 
 // used_memory retrieves the current physical memory usage of the process.
+// Note: implementation available only on macOS, Linux and Windows. Otherwise,
+// returns 'used_memory: not implemented'.
 pub fn used_memory() !u64 {
-	return error('`used_memory()` not implemented')
+	return error('used_memory: not implemented')
 }

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,8 @@`
`1`	`1`	`module runtime`
`2`	`2`
`3`	`3`	`// used_memory retrieves the current physical memory usage of the process.`
	`4`	`+// Note: implementation available only on macOS, Linux and Windows. Otherwise,`
	`5`	`+// returns 'used_memory: not implemented'.`
`4`	`6`	`pub fn used_memory() !u64 {`
`5`		- return error('`used_memory()` not implemented')
	`7`	`+ return error('used_memory: not implemented')`
`6`	`8`	`}`